2 Unix SMB/CIFS implementation.
6 Copyright (C) Gerald Carter 2006
7 Copyright (C) Guenther Deschner 2007-2008
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 3 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program. If not, see <http://www.gnu.org/licenses/>.
25 #define DSGETDCNAME_FMT "DSGETDCNAME/DOMAIN/%s"
27 #define DSGETDCNAME_CACHE_TTL 60*15
29 struct ip_service_name {
30 struct sockaddr_storage ss;
35 static NTSTATUS make_dc_info_from_cldap_reply(TALLOC_CTX *mem_ctx,
37 struct sockaddr_storage *ss,
38 struct NETLOGON_SAM_LOGON_RESPONSE_EX *r,
39 struct netr_DsRGetDCNameInfo **info);
41 /****************************************************************
42 ****************************************************************/
44 void debug_dsdcinfo_flags(int lvl, uint32_t flags)
46 DEBUG(lvl,("debug_dsdcinfo_flags: 0x%08x\n\t", flags));
48 if (flags & DS_FORCE_REDISCOVERY)
49 DEBUGADD(lvl,("DS_FORCE_REDISCOVERY "));
50 if (flags & 0x000000002)
51 DEBUGADD(lvl,("0x00000002 "));
52 if (flags & 0x000000004)
53 DEBUGADD(lvl,("0x00000004 "));
54 if (flags & 0x000000008)
55 DEBUGADD(lvl,("0x00000008 "));
56 if (flags & DS_DIRECTORY_SERVICE_REQUIRED)
57 DEBUGADD(lvl,("DS_DIRECTORY_SERVICE_REQUIRED "));
58 if (flags & DS_DIRECTORY_SERVICE_PREFERRED)
59 DEBUGADD(lvl,("DS_DIRECTORY_SERVICE_PREFERRED "));
60 if (flags & DS_GC_SERVER_REQUIRED)
61 DEBUGADD(lvl,("DS_GC_SERVER_REQUIRED "));
62 if (flags & DS_PDC_REQUIRED)
63 DEBUGADD(lvl,("DS_PDC_REQUIRED "));
64 if (flags & DS_BACKGROUND_ONLY)
65 DEBUGADD(lvl,("DS_BACKGROUND_ONLY "));
66 if (flags & DS_IP_REQUIRED)
67 DEBUGADD(lvl,("DS_IP_REQUIRED "));
68 if (flags & DS_KDC_REQUIRED)
69 DEBUGADD(lvl,("DS_KDC_REQUIRED "));
70 if (flags & DS_TIMESERV_REQUIRED)
71 DEBUGADD(lvl,("DS_TIMESERV_REQUIRED "));
72 if (flags & DS_WRITABLE_REQUIRED)
73 DEBUGADD(lvl,("DS_WRITABLE_REQUIRED "));
74 if (flags & DS_GOOD_TIMESERV_PREFERRED)
75 DEBUGADD(lvl,("DS_GOOD_TIMESERV_PREFERRED "));
76 if (flags & DS_AVOID_SELF)
77 DEBUGADD(lvl,("DS_AVOID_SELF "));
78 if (flags & DS_ONLY_LDAP_NEEDED)
79 DEBUGADD(lvl,("DS_ONLY_LDAP_NEEDED "));
80 if (flags & DS_IS_FLAT_NAME)
81 DEBUGADD(lvl,("DS_IS_FLAT_NAME "));
82 if (flags & DS_IS_DNS_NAME)
83 DEBUGADD(lvl,("DS_IS_DNS_NAME "));
84 if (flags & 0x00040000)
85 DEBUGADD(lvl,("0x00040000 "));
86 if (flags & 0x00080000)
87 DEBUGADD(lvl,("0x00080000 "));
88 if (flags & 0x00100000)
89 DEBUGADD(lvl,("0x00100000 "));
90 if (flags & 0x00200000)
91 DEBUGADD(lvl,("0x00200000 "));
92 if (flags & 0x00400000)
93 DEBUGADD(lvl,("0x00400000 "));
94 if (flags & 0x00800000)
95 DEBUGADD(lvl,("0x00800000 "));
96 if (flags & 0x01000000)
97 DEBUGADD(lvl,("0x01000000 "));
98 if (flags & 0x02000000)
99 DEBUGADD(lvl,("0x02000000 "));
100 if (flags & 0x04000000)
101 DEBUGADD(lvl,("0x04000000 "));
102 if (flags & 0x08000000)
103 DEBUGADD(lvl,("0x08000000 "));
104 if (flags & 0x10000000)
105 DEBUGADD(lvl,("0x10000000 "));
106 if (flags & 0x20000000)
107 DEBUGADD(lvl,("0x20000000 "));
108 if (flags & DS_RETURN_DNS_NAME)
109 DEBUGADD(lvl,("DS_RETURN_DNS_NAME "));
110 if (flags & DS_RETURN_FLAT_NAME)
111 DEBUGADD(lvl,("DS_RETURN_FLAT_NAME "));
113 DEBUGADD(lvl,("\n"));
116 /****************************************************************
117 ****************************************************************/
119 static char *dsgetdcname_cache_key(TALLOC_CTX *mem_ctx, const char *domain)
125 return talloc_asprintf_strupper_m(mem_ctx, DSGETDCNAME_FMT, domain);
128 /****************************************************************
129 ****************************************************************/
131 static NTSTATUS dsgetdcname_cache_delete(TALLOC_CTX *mem_ctx,
132 const char *domain_name)
136 if (!gencache_init()) {
137 return NT_STATUS_INTERNAL_DB_ERROR;
140 key = dsgetdcname_cache_key(mem_ctx, domain_name);
142 return NT_STATUS_NO_MEMORY;
145 if (!gencache_del(key)) {
146 return NT_STATUS_UNSUCCESSFUL;
152 /****************************************************************
153 ****************************************************************/
155 static NTSTATUS dsgetdcname_cache_store(TALLOC_CTX *mem_ctx,
156 const char *domain_name,
157 const DATA_BLOB *blob)
163 if (!gencache_init()) {
164 return NT_STATUS_INTERNAL_DB_ERROR;
167 key = dsgetdcname_cache_key(mem_ctx, domain_name);
169 return NT_STATUS_NO_MEMORY;
172 expire_time = time(NULL) + DSGETDCNAME_CACHE_TTL;
174 if (gencache_lock_entry(key) != 0) {
175 return NT_STATUS_LOCK_NOT_GRANTED;
178 ret = gencache_set_data_blob(key, blob, expire_time);
180 gencache_unlock_entry(key);
182 return ret ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
185 /****************************************************************
186 ****************************************************************/
188 static NTSTATUS store_cldap_reply(TALLOC_CTX *mem_ctx,
190 struct sockaddr_storage *ss,
192 struct NETLOGON_SAM_LOGON_RESPONSE_EX *r)
195 enum ndr_err_code ndr_err;
197 char addr[INET6_ADDRSTRLEN];
199 print_sockaddr(addr, sizeof(addr), ss);
202 r->sockaddr_size = 0x10; /* the w32 winsock addr size */
203 r->sockaddr.sockaddr_family = 2; /* AF_INET */
204 r->sockaddr.pdc_ip = talloc_strdup(mem_ctx, addr);
206 ndr_err = ndr_push_struct_blob(&blob, mem_ctx, NULL, r,
207 (ndr_push_flags_fn_t)ndr_push_NETLOGON_SAM_LOGON_RESPONSE_EX);
208 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
209 return ndr_map_error2ntstatus(ndr_err);
213 status = dsgetdcname_cache_store(mem_ctx, r->domain, &blob);
214 if (!NT_STATUS_IS_OK(status)) {
217 if (r->client_site) {
218 sitename_store(r->domain, r->client_site);
222 status = dsgetdcname_cache_store(mem_ctx, r->dns_domain, &blob);
223 if (!NT_STATUS_IS_OK(status)) {
226 if (r->client_site) {
227 sitename_store(r->dns_domain, r->client_site);
232 data_blob_free(&blob);
237 /****************************************************************
238 ****************************************************************/
240 static NTSTATUS dsgetdcname_cache_refresh(TALLOC_CTX *mem_ctx,
241 struct messaging_context *msg_ctx,
242 const char *domain_name,
243 struct GUID *domain_guid,
245 const char *site_name,
246 struct netr_DsRGetDCNameInfo *info)
248 struct netr_DsRGetDCNameInfo *dc_info;
250 return dsgetdcname(mem_ctx,
255 flags | DS_FORCE_REDISCOVERY,
259 /****************************************************************
260 ****************************************************************/
262 static uint32_t get_cldap_reply_server_flags(struct netlogon_samlogon_response *r,
265 switch (nt_version & 0x0000001f) {
275 return r->data.nt5.server_type;
280 return r->data.nt5_ex.server_type;
289 return r->data.nt5_ex.server_type;
299 return r->data.nt5_ex.server_type;
303 return r->data.nt5_ex.server_type;
309 /****************************************************************
310 ****************************************************************/
312 #define RETURN_ON_FALSE(x) if (!x) return false;
314 static bool check_cldap_reply_required_flags(uint32_t ret_flags,
317 if (ret_flags == 0) {
321 if (req_flags & DS_PDC_REQUIRED)
322 RETURN_ON_FALSE(ret_flags & NBT_SERVER_PDC);
324 if (req_flags & DS_GC_SERVER_REQUIRED)
325 RETURN_ON_FALSE(ret_flags & NBT_SERVER_GC);
327 if (req_flags & DS_ONLY_LDAP_NEEDED)
328 RETURN_ON_FALSE(ret_flags & NBT_SERVER_LDAP);
330 if ((req_flags & DS_DIRECTORY_SERVICE_REQUIRED) ||
331 (req_flags & DS_DIRECTORY_SERVICE_PREFERRED))
332 RETURN_ON_FALSE(ret_flags & NBT_SERVER_DS);
334 if (req_flags & DS_KDC_REQUIRED)
335 RETURN_ON_FALSE(ret_flags & NBT_SERVER_KDC);
337 if (req_flags & DS_TIMESERV_REQUIRED)
338 RETURN_ON_FALSE(ret_flags & NBT_SERVER_TIMESERV);
340 if (req_flags & DS_WRITABLE_REQUIRED)
341 RETURN_ON_FALSE(ret_flags & NBT_SERVER_WRITABLE);
346 /****************************************************************
347 ****************************************************************/
349 static NTSTATUS dsgetdcname_cache_fetch(TALLOC_CTX *mem_ctx,
350 const char *domain_name,
351 struct GUID *domain_guid,
353 const char *site_name,
354 struct netr_DsRGetDCNameInfo **info_p,
359 enum ndr_err_code ndr_err;
360 struct netr_DsRGetDCNameInfo *info;
361 struct NETLOGON_SAM_LOGON_RESPONSE_EX r;
364 if (!gencache_init()) {
365 return NT_STATUS_INTERNAL_DB_ERROR;
368 key = dsgetdcname_cache_key(mem_ctx, domain_name);
370 return NT_STATUS_NO_MEMORY;
373 if (!gencache_get_data_blob(key, &blob, expired)) {
374 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
377 info = TALLOC_ZERO_P(mem_ctx, struct netr_DsRGetDCNameInfo);
379 return NT_STATUS_NO_MEMORY;
382 ndr_err = ndr_pull_struct_blob(&blob, mem_ctx, NULL, &r,
383 (ndr_pull_flags_fn_t)ndr_pull_NETLOGON_SAM_LOGON_RESPONSE_EX);
385 data_blob_free(&blob);
386 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
387 dsgetdcname_cache_delete(mem_ctx, domain_name);
388 return ndr_map_error2ntstatus(ndr_err);
391 status = make_dc_info_from_cldap_reply(mem_ctx, flags, NULL,
393 if (!NT_STATUS_IS_OK(status)) {
397 if (DEBUGLEVEL >= 10) {
398 NDR_PRINT_DEBUG(netr_DsRGetDCNameInfo, info);
402 if (!check_cldap_reply_required_flags(info->dc_flags, flags)) {
403 DEBUG(10,("invalid flags\n"));
404 return NT_STATUS_INVALID_PARAMETER;
407 if ((flags & DS_IP_REQUIRED) &&
408 (info->dc_address_type != DS_ADDRESS_TYPE_INET)) {
409 return NT_STATUS_INVALID_PARAMETER_MIX;
417 /****************************************************************
418 ****************************************************************/
420 static NTSTATUS dsgetdcname_cached(TALLOC_CTX *mem_ctx,
421 struct messaging_context *msg_ctx,
422 const char *domain_name,
423 struct GUID *domain_guid,
425 const char *site_name,
426 struct netr_DsRGetDCNameInfo **info)
429 bool expired = false;
431 status = dsgetdcname_cache_fetch(mem_ctx, domain_name, domain_guid,
432 flags, site_name, info, &expired);
433 if (!NT_STATUS_IS_OK(status)) {
434 DEBUG(10,("dsgetdcname_cached: cache fetch failed with: %s\n",
436 return NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND;
439 if (flags & DS_BACKGROUND_ONLY) {
444 status = dsgetdcname_cache_refresh(mem_ctx, msg_ctx,
448 if (!NT_STATUS_IS_OK(status)) {
456 /****************************************************************
457 ****************************************************************/
459 static bool check_allowed_required_flags(uint32_t flags,
460 const char *site_name)
462 uint32_t return_type = flags & (DS_RETURN_FLAT_NAME|DS_RETURN_DNS_NAME);
463 uint32_t offered_type = flags & (DS_IS_FLAT_NAME|DS_IS_DNS_NAME);
464 uint32_t query_type = flags & (DS_BACKGROUND_ONLY|DS_FORCE_REDISCOVERY);
466 /* FIXME: check for DSGETDC_VALID_FLAGS and check for excluse bits
467 * (DS_PDC_REQUIRED, DS_KDC_REQUIRED, DS_GC_SERVER_REQUIRED) */
469 debug_dsdcinfo_flags(10, flags);
471 if ((flags & DS_TRY_NEXTCLOSEST_SITE) && site_name) {
475 if (return_type == (DS_RETURN_FLAT_NAME|DS_RETURN_DNS_NAME)) {
479 if (offered_type == (DS_IS_DNS_NAME|DS_IS_FLAT_NAME)) {
483 if (query_type == (DS_BACKGROUND_ONLY|DS_FORCE_REDISCOVERY)) {
488 if ((flags & DS_RETURN_DNS_NAME) && (!(flags & DS_IP_REQUIRED))) {
489 printf("gd: here5 \n");
496 /****************************************************************
497 ****************************************************************/
499 static NTSTATUS discover_dc_netbios(TALLOC_CTX *mem_ctx,
500 const char *domain_name,
502 struct ip_service_name **returned_dclist,
506 enum nbt_name_type name_type = NBT_NAME_LOGON;
507 struct ip_service *iplist;
509 struct ip_service_name *dclist = NULL;
512 *returned_dclist = NULL;
515 if (lp_disable_netbios()) {
516 return NT_STATUS_NOT_SUPPORTED;
519 if (flags & DS_PDC_REQUIRED) {
520 name_type = NBT_NAME_PDC;
523 status = internal_resolve_name(domain_name, name_type, NULL,
525 "lmhosts wins bcast");
526 if (!NT_STATUS_IS_OK(status)) {
527 DEBUG(10,("discover_dc_netbios: failed to find DC\n"));
531 dclist = TALLOC_ZERO_ARRAY(mem_ctx, struct ip_service_name, count);
533 return NT_STATUS_NO_MEMORY;
536 for (i=0; i<count; i++) {
538 char addr[INET6_ADDRSTRLEN];
539 struct ip_service_name *r = &dclist[i];
541 print_sockaddr(addr, sizeof(addr),
544 r->ss = iplist[i].ss;
545 r->port = iplist[i].port;
546 r->hostname = talloc_strdup(mem_ctx, addr);
548 return NT_STATUS_NO_MEMORY;
553 *returned_dclist = dclist;
554 *returned_count = count;
559 /****************************************************************
560 ****************************************************************/
562 static NTSTATUS discover_dc_dns(TALLOC_CTX *mem_ctx,
563 const char *domain_name,
564 struct GUID *domain_guid,
566 const char *site_name,
567 struct ip_service_name **returned_dclist,
572 struct dns_rr_srv *dcs = NULL;
575 struct ip_service_name *dclist = NULL;
578 if (flags & DS_PDC_REQUIRED) {
579 status = ads_dns_query_pdc(mem_ctx, domain_name,
581 } else if (flags & DS_GC_SERVER_REQUIRED) {
582 status = ads_dns_query_gcs(mem_ctx, domain_name, site_name,
584 } else if (flags & DS_KDC_REQUIRED) {
585 status = ads_dns_query_kdcs(mem_ctx, domain_name, site_name,
587 } else if (flags & DS_DIRECTORY_SERVICE_REQUIRED) {
588 status = ads_dns_query_dcs(mem_ctx, domain_name, site_name,
590 } else if (domain_guid) {
591 status = ads_dns_query_dcs_guid(mem_ctx, domain_name,
592 domain_guid, &dcs, &numdcs);
594 status = ads_dns_query_dcs(mem_ctx, domain_name, site_name,
598 if (!NT_STATUS_IS_OK(status)) {
603 return NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND;
606 for (i=0;i<numdcs;i++) {
607 numaddrs += MAX(dcs[i].num_ips,1);
610 dclist = TALLOC_ZERO_ARRAY(mem_ctx,
611 struct ip_service_name,
614 return NT_STATUS_NO_MEMORY;
617 /* now unroll the list of IP addresses */
623 while ((i < numdcs) && (count < numaddrs)) {
625 struct ip_service_name *r = &dclist[count];
627 r->port = dcs[count].port;
628 r->hostname = dcs[count].hostname;
630 /* If we don't have an IP list for a name, lookup it up */
633 interpret_string_addr(&r->ss, dcs[i].hostname, 0);
637 /* use the IP addresses from the SRV sresponse */
639 if (j >= dcs[i].num_ips) {
645 r->ss = dcs[i].ss_s[j];
649 /* make sure it is a valid IP. I considered checking the
650 * negative connection cache, but this is the wrong place for
651 * it. Maybe only as a hac. After think about it, if all of
652 * the IP addresses retuend from DNS are dead, what hope does a
653 * netbios name lookup have? The standard reason for falling
654 * back to netbios lookups is that our DNS server doesn't know
655 * anything about the DC's -- jerry */
657 if (!is_zero_addr(&r->ss)) {
663 *returned_dclist = dclist;
664 *return_count = count;
670 return NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND;
673 /****************************************************************
674 ****************************************************************/
676 static NTSTATUS make_domain_controller_info(TALLOC_CTX *mem_ctx,
678 const char *dc_address,
679 uint32_t dc_address_type,
680 const struct GUID *domain_guid,
681 const char *domain_name,
682 const char *forest_name,
684 const char *dc_site_name,
685 const char *client_site_name,
686 struct netr_DsRGetDCNameInfo **info_out)
688 struct netr_DsRGetDCNameInfo *info;
690 info = TALLOC_ZERO_P(mem_ctx, struct netr_DsRGetDCNameInfo);
691 NT_STATUS_HAVE_NO_MEMORY(info);
694 info->dc_unc = talloc_strdup(mem_ctx, dc_unc);
695 NT_STATUS_HAVE_NO_MEMORY(info->dc_unc);
699 if (!(dc_address[0] == '\\' && dc_address[1] == '\\')) {
700 info->dc_address = talloc_asprintf(mem_ctx, "\\\\%s",
703 info->dc_address = talloc_strdup(mem_ctx, dc_address);
705 NT_STATUS_HAVE_NO_MEMORY(info->dc_address);
708 info->dc_address_type = dc_address_type;
711 info->domain_guid = *domain_guid;
715 info->domain_name = talloc_strdup(mem_ctx, domain_name);
716 NT_STATUS_HAVE_NO_MEMORY(info->domain_name);
719 if (forest_name && *forest_name) {
720 info->forest_name = talloc_strdup(mem_ctx, forest_name);
721 NT_STATUS_HAVE_NO_MEMORY(info->forest_name);
722 flags |= DS_DNS_FOREST;
725 info->dc_flags = flags;
728 info->dc_site_name = talloc_strdup(mem_ctx, dc_site_name);
729 NT_STATUS_HAVE_NO_MEMORY(info->dc_site_name);
732 if (client_site_name) {
733 info->client_site_name = talloc_strdup(mem_ctx,
735 NT_STATUS_HAVE_NO_MEMORY(info->client_site_name);
743 /****************************************************************
744 ****************************************************************/
746 static void map_dc_and_domain_names(uint32_t flags,
748 const char *domain_name,
749 const char *dns_dc_name,
750 const char *dns_domain_name,
752 const char **hostname_p,
753 const char **domain_p)
755 switch (flags & 0xf0000000) {
756 case DS_RETURN_FLAT_NAME:
757 if (dc_name && domain_name &&
758 *dc_name && *domain_name) {
759 *hostname_p = dc_name;
760 *domain_p = domain_name;
763 case DS_RETURN_DNS_NAME:
765 if (dns_dc_name && dns_domain_name &&
766 *dns_dc_name && *dns_domain_name) {
767 *hostname_p = dns_dc_name;
768 *domain_p = dns_domain_name;
769 *dc_flags |= DS_DNS_DOMAIN | DS_DNS_CONTROLLER;
772 if (dc_name && domain_name &&
773 *dc_name && *domain_name) {
774 *hostname_p = dc_name;
775 *domain_p = domain_name;
781 /****************************************************************
782 ****************************************************************/
784 static NTSTATUS make_dc_info_from_cldap_reply(TALLOC_CTX *mem_ctx,
786 struct sockaddr_storage *ss,
787 struct NETLOGON_SAM_LOGON_RESPONSE_EX *r,
788 struct netr_DsRGetDCNameInfo **info)
790 const char *dc_hostname = NULL;
791 const char *dc_domain_name = NULL;
792 const char *dc_address = NULL;
793 const char *dc_forest = NULL;
794 uint32_t dc_address_type = 0;
795 uint32_t dc_flags = 0;
796 struct GUID *dc_domain_guid = NULL;
797 const char *dc_server_site = NULL;
798 const char *dc_client_site = NULL;
800 char addr[INET6_ADDRSTRLEN];
803 print_sockaddr(addr, sizeof(addr), ss);
805 dc_address_type = DS_ADDRESS_TYPE_INET;
808 if (!ss && r->sockaddr.pdc_ip) {
809 dc_address = r->sockaddr.pdc_ip;
810 dc_address_type = DS_ADDRESS_TYPE_INET;
812 dc_address = r->pdc_name;
813 dc_address_type = DS_ADDRESS_TYPE_NETBIOS;
816 map_dc_and_domain_names(flags,
825 dc_flags |= r->server_type;
826 dc_forest = r->forest;
827 dc_domain_guid = &r->domain_uuid;
828 dc_server_site = r->server_site;
829 dc_client_site = r->client_site;
831 return make_domain_controller_info(mem_ctx,
844 /****************************************************************
845 ****************************************************************/
847 static uint32_t map_ds_flags_to_nt_version(uint32_t flags)
849 uint32_t nt_version = 0;
851 if (flags & DS_PDC_REQUIRED) {
852 nt_version |= NETLOGON_NT_VERSION_PDC;
855 if (flags & DS_GC_SERVER_REQUIRED) {
856 nt_version |= NETLOGON_NT_VERSION_GC;
859 if (flags & DS_TRY_NEXTCLOSEST_SITE) {
860 nt_version |= NETLOGON_NT_VERSION_WITH_CLOSEST_SITE;
863 if (flags & DS_IP_REQUIRED) {
864 nt_version |= NETLOGON_NT_VERSION_IP;
870 /****************************************************************
871 ****************************************************************/
873 static NTSTATUS process_dc_dns(TALLOC_CTX *mem_ctx,
874 const char *domain_name,
876 struct ip_service_name *dclist,
878 struct netr_DsRGetDCNameInfo **info)
881 bool valid_dc = false;
882 struct netlogon_samlogon_response *r = NULL;
883 uint32_t nt_version = NETLOGON_NT_VERSION_5 |
884 NETLOGON_NT_VERSION_5EX;
885 uint32_t ret_flags = 0;
888 nt_version |= map_ds_flags_to_nt_version(flags);
890 for (i=0; i<num_dcs; i++) {
892 DEBUG(10,("LDAP ping to %s\n", dclist[i].hostname));
894 if (ads_cldap_netlogon(mem_ctx, dclist[i].hostname,
899 nt_version = r->ntver;
900 ret_flags = get_cldap_reply_server_flags(r, nt_version);
902 if (check_cldap_reply_required_flags(ret_flags, flags)) {
912 return NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND;
915 status = make_dc_info_from_cldap_reply(mem_ctx, flags, &dclist[i].ss,
916 &r->data.nt5_ex, info);
917 if (NT_STATUS_IS_OK(status)) {
918 return store_cldap_reply(mem_ctx, flags, &dclist[i].ss,
919 nt_version, &r->data.nt5_ex);
925 /****************************************************************
926 ****************************************************************/
928 static struct event_context *ev_context(void)
930 static struct event_context *ctx;
932 if (!ctx && !(ctx = event_context_init(NULL))) {
933 smb_panic("Could not init event context");
938 /****************************************************************
939 ****************************************************************/
941 static struct messaging_context *msg_context(TALLOC_CTX *mem_ctx)
943 static struct messaging_context *ctx;
945 if (!ctx && !(ctx = messaging_init(mem_ctx, server_id_self(),
947 smb_panic("Could not init messaging context");
952 /****************************************************************
953 ****************************************************************/
955 static NTSTATUS process_dc_netbios(TALLOC_CTX *mem_ctx,
956 struct messaging_context *msg_ctx,
957 const char *domain_name,
959 struct ip_service_name *dclist,
961 struct netr_DsRGetDCNameInfo **info)
963 struct sockaddr_storage ss;
964 struct ip_service ip_list;
965 enum nbt_name_type name_type = NBT_NAME_LOGON;
968 const char *dc_name = NULL;
970 struct netlogon_samlogon_response *r = NULL;
971 bool store_cache = false;
972 uint32_t nt_version = NETLOGON_NT_VERSION_1 |
973 NETLOGON_NT_VERSION_5 |
974 NETLOGON_NT_VERSION_5EX_WITH_IP;
977 msg_ctx = msg_context(mem_ctx);
980 if (flags & DS_PDC_REQUIRED) {
981 name_type = NBT_NAME_PDC;
984 nt_version |= map_ds_flags_to_nt_version(flags);
986 DEBUG(10,("process_dc_netbios\n"));
988 for (i=0; i<num_dcs; i++) {
990 ip_list.ss = dclist[i].ss;
993 if (!interpret_string_addr(&ss, dclist[i].hostname, AI_NUMERICHOST)) {
994 return NT_STATUS_UNSUCCESSFUL;
997 if (send_getdc_request(mem_ctx, msg_ctx,
998 &dclist[i].ss, domain_name,
1003 for (k=0; k<5; k++) {
1004 if (receive_getdc_response(mem_ctx,
1011 namecache_store(dc_name, NBT_NAME_SERVER, 1, &ip_list);
1018 if (name_status_find(domain_name,
1024 struct NETLOGON_SAM_LOGON_RESPONSE_NT40 logon1;
1026 r = TALLOC_ZERO_P(mem_ctx, struct netlogon_samlogon_response);
1027 NT_STATUS_HAVE_NO_MEMORY(r);
1029 ZERO_STRUCT(logon1);
1031 nt_version = NETLOGON_NT_VERSION_1;
1033 logon1.nt_version = nt_version;
1034 logon1.server = tmp_dc_name;
1035 logon1.domain = talloc_strdup_upper(mem_ctx, domain_name);
1036 NT_STATUS_HAVE_NO_MEMORY(logon1.domain);
1038 r->data.nt4 = logon1;
1039 r->ntver = nt_version;
1041 namecache_store(tmp_dc_name, NBT_NAME_SERVER, 1, &ip_list);
1047 return NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND;
1051 status = make_dc_info_from_cldap_reply(mem_ctx, flags, &dclist[i].ss,
1052 &r->data.nt5_ex, info);
1053 if (NT_STATUS_IS_OK(status) && store_cache) {
1054 return store_cldap_reply(mem_ctx, flags, &dclist[i].ss,
1055 nt_version, &r->data.nt5_ex);
1061 /****************************************************************
1062 ****************************************************************/
1064 static NTSTATUS dsgetdcname_rediscover(TALLOC_CTX *mem_ctx,
1065 struct messaging_context *msg_ctx,
1066 const char *domain_name,
1067 struct GUID *domain_guid,
1069 const char *site_name,
1070 struct netr_DsRGetDCNameInfo **info)
1072 NTSTATUS status = NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND;
1073 struct ip_service_name *dclist = NULL;
1076 DEBUG(10,("dsgetdcname_rediscover\n"));
1078 if (flags & DS_IS_FLAT_NAME) {
1080 status = discover_dc_netbios(mem_ctx, domain_name, flags,
1082 NT_STATUS_NOT_OK_RETURN(status);
1084 return process_dc_netbios(mem_ctx, msg_ctx, domain_name, flags,
1085 dclist, num_dcs, info);
1088 if (flags & DS_IS_DNS_NAME) {
1090 status = discover_dc_dns(mem_ctx, domain_name, domain_guid,
1091 flags, site_name, &dclist, &num_dcs);
1092 NT_STATUS_NOT_OK_RETURN(status);
1094 return process_dc_dns(mem_ctx, domain_name, flags,
1095 dclist, num_dcs, info);
1098 status = discover_dc_dns(mem_ctx, domain_name, domain_guid, flags,
1099 site_name, &dclist, &num_dcs);
1101 if (NT_STATUS_IS_OK(status) && num_dcs != 0) {
1103 status = process_dc_dns(mem_ctx, domain_name, flags, dclist,
1105 if (NT_STATUS_IS_OK(status)) {
1110 status = discover_dc_netbios(mem_ctx, domain_name, flags, &dclist,
1112 NT_STATUS_NOT_OK_RETURN(status);
1114 return process_dc_netbios(mem_ctx, msg_ctx, domain_name, flags, dclist,
1118 /********************************************************************
1121 This will be the only public function here.
1122 ********************************************************************/
1124 NTSTATUS dsgetdcname(TALLOC_CTX *mem_ctx,
1125 struct messaging_context *msg_ctx,
1126 const char *domain_name,
1127 struct GUID *domain_guid,
1128 const char *site_name,
1130 struct netr_DsRGetDCNameInfo **info)
1132 NTSTATUS status = NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND;
1133 struct netr_DsRGetDCNameInfo *myinfo = NULL;
1134 char *query_site = NULL;
1136 DEBUG(10,("dsgetdcname: domain_name: %s, "
1137 "domain_guid: %s, site_name: %s, flags: 0x%08x\n",
1139 domain_guid ? GUID_string(mem_ctx, domain_guid) : "(null)",
1144 if (!check_allowed_required_flags(flags, site_name)) {
1145 DEBUG(0,("invalid flags specified\n"));
1146 return NT_STATUS_INVALID_PARAMETER;
1150 query_site = sitename_fetch(domain_name);
1152 query_site = SMB_STRDUP(site_name);
1155 if (flags & DS_FORCE_REDISCOVERY) {
1159 status = dsgetdcname_cached(mem_ctx, msg_ctx, domain_name, domain_guid,
1160 flags, query_site, &myinfo);
1161 if (NT_STATUS_IS_OK(status)) {
1166 if (flags & DS_BACKGROUND_ONLY) {
1171 status = dsgetdcname_rediscover(mem_ctx, msg_ctx, domain_name,
1172 domain_guid, flags, query_site,
1175 if (NT_STATUS_IS_OK(status)) {
1180 SAFE_FREE(query_site);